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  • Title: Early thrombolysis is associated with decreased operative mortality in postinfarction ventricular septal rupture.
    Author: Dogra N, Puri GD, Thingnam SKS, Arya VK, Kumar B, Mahajan S, Verma M.
    Journal: Indian Heart J; 2019; 71(3):224-228. PubMed ID: 31543194.
    Abstract:
    BACKGROUND: Post myocardial infarction ventricular septal rupture (PMI-VSR) is a dreaded mechanical complication of acute coronary syndromes. Given that surgical mortality approaches 50%, it is pragmatic that the risk factors for mortality and outcomes after surgical correction of PMI- VSR are carefully scrutinized. METHODS: We performed a single-center, retrospective cohort study of 35 patients presenting for surgical closure of post myocardial infarction ventricular septal rupture over six years. We reviewed patient characteristics, clinical, echocardiographic, angiographic and perioperative risk factors which may affect mortality after surgical repair of PMIVSR and 30 day and one year mortality rates of these patients. Univariate and multivariate logistic and cox proportional hazard regression analysis was used to identify predictors of operative and overall mortality. Long term survival was presented with Kaplan-Meier Survival Curve. RESULTS: Sixteen patients (46%) were in cardiogenic shock. Concomitant coronary artery bypass grafting (CABG) was done in 22 patients (63%) but did not influence survival. Preoperative thrombolysis was done in 12 patients (34%) out of which 10 (53%) survived Operative mortality was 46% and one-year mortality was 49%. Multivariate analysis identified preoperative thrombolysis: Hazards ratio, 0.12; 95% CI, 0.02-0.61; p value of 0.01, as significant independent predictor of survival in PMIVSR cohort. CONCLUSIONS: Preoperative thrombolysis is associated with decreased odds of operative and overall mortality after surgical repair in PMIVSR patients.
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